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1. Inter-seeding Cover Crops Influence on Optimal Corn Nitrogen Rate in No-tillMoving from conventional to no-till with the inclusion of cover crops may change the amount and timing of nitrogen (N) provided to corn (Zea mays L.) from mineralization, which may increase or decrease needed N fertilizer to optimize corn grain yield. This study evaluated the effect of cover crop composition on corn N fertilizer requirement and corn grain yield. The effect of three cover crop treatments (no cover crop, single grass species, and grass/broadleaf mixture) on corn... J. Clark, S. Osborne, P. Kovacs, R. Slaght |
2. Nitrogen Response of 2-Row Barley in North DakotaIn about 2019, the major malting barley buyers moved from 6-row barley cultivars to 2-row barley cultivars. The N response of 6-row barley was well-established, however, little local data regarding 2-row cultivar N response was available. A 2-year study was conducted in North Dakota on two sites, using two cultivars at each site. Rates of N from 0 to 160 pounds N per acre were imposed on each cultivar. One site was in a long-term (30+ years) no-till system, while the other site was in a transitional... A. Wick, D. Franzen, B. Goettl |
3. Recent 2-Row Malting Barley Nitrogen Rate Revision for North DakotaAs the demand of two-row malting barley (Hordeum vulgare L.) increases, having sound nitrogen (N) recommendations is increasingly necessary. Not only does N play a role in grain yield, but it may also significantly impact grain malting characteristics including protein, plump, and test weight. To determine the impacts N rate and N availability have on two-row malting barley, two experimental sites were established in both Spring 2020 and 2021. The experiments were organized as a randomized... D. Franzen, B. Goettl |
4. Carbon & Nitrogen Transformation in Soil After Biosolids or Inorganic Fertilizer ApplicationBiosolids are nutrient rich organic residues which could be a potential alternative to conventional fertilizers. However, their C and N mineralization rates vary depending on treatment processes and soil properties. A laboratory incubation was carried out to evaluate C and N dynamics in contrasting soils by quantifying gaseous losses and assessing N transformations between organic and inorganic pools. Soils collected from Texas (sandy clay loam, pH: 8.4) and Florida (sandy loam, pH: 7.6) were... S. Bhatta, L. Slaughter, M. Siebecker, J. Adjei, K. Lewis, O. Gecgel, C. Alvarez-pugliese, K. Millerick, B. Rao, O. Mbuya, G.G. Botte |
5. Evaluation of E-Grow Effects on Soil Plant Systems Gas ExchangeE-Grow is a novel fertilizer which effect on the soil- plant system is critical for understanding it’s impact on the crop productivity and environmental sustainability in agricultural operations that will be crucial for updating nutrient application recommendations, to understand this we conducted an experiment with the main objective of this study is to determine the effect of E-Grow on CO2 and H2O fluxes in agricultural soil and soil- cotton plant systems (seedling stage). This experiment... V. Sabbineni, E. Enninful, S. Jacobo, O. Gecgel, G.G. Botte, H. Laza, C. Simpson, L. Slaughter, Y. Emendack |